{"id":5679,"date":"2025-07-15T13:34:44","date_gmt":"2025-07-15T13:34:44","guid":{"rendered":"https:\/\/functiontranslator.com\/loglinregrese\/"},"modified":"2021-02-26T09:58:58","modified_gmt":"2021-02-26T09:58:58","slug":"logest","status":"publish","type":"post","link":"https:\/\/functiontranslator.com\/cs\/logest\/","title":{"rendered":"LOGLINREGRESE"},"content":{"rendered":"

Funkce LOGEST, zn\u00e1m\u00e1 tak\u00e9 jako LOGLINREGRESE v \u010desk\u00e9 verzi Excel, je statistick\u00e1 funkce pou\u017e\u00edvan\u00e1 k prov\u00e1d\u011bn\u00ed exponenci\u00e1ln\u00ed regrese. Tato funkce vrac\u00ed parametry exponenci\u00e1ln\u00ed regresn\u00ed k\u0159ivky, kter\u00e1 se nejl\u00e9pe hod\u00ed k va\u0161im dat\u016fm, a je u\u017eite\u010dn\u00e1 v r\u016fzn\u00fdch oblastech, jako je biologie, chemie nebo ekonomie, kde m\u016f\u017eeme pozorovat exponenci\u00e1ln\u00ed r\u016fst nebo pokles.<\/p>\n

Syntaxe a pou\u017eit\u00ed funkce<\/h2>\n

Funkce LOGEST m\u00e1 n\u00e1sleduj\u00edc\u00ed syntaxi:<\/p>\n

 LOGEST(y_data, [x_data], [konst], [stats]) <\/code> <\/pre>\n
    \n
  • y_data<\/code> – Pole nebo rozsah z\u00e1visl\u00fdch y-dat.<\/li>\n
  • x_data<\/code> (voliteln\u00e9) – Pole nebo rozsah nez\u00e1visl\u00fdch x-dat. Pokud tato hodnota nen\u00ed zad\u00e1na, pou\u017eije se v\u00fdchoz\u00ed pole {1,2,3,…}.<\/li>\n
  • konst<\/code> (voliteln\u00e9) – Logick\u00e1 hodnota ur\u010duj\u00edc\u00ed, zda se v\u00fdpo\u010det m\u00e1 prov\u00e1d\u011bt s konstantou b (y = b*m^x). Je-li hodnota pravda (TRUE), bude konstanta b pou\u017eita. Pokud je hodnota nepravda (FALSE), b nebude sou\u010d\u00e1st\u00ed kalkulace a bere se jako 1. V\u00fdchoz\u00ed hodnota je TRUE.<\/li>\n
  • stats<\/code> (voliteln\u00e9) – Logick\u00e1 hodnota ur\u010duj\u00edc\u00ed, zda chcete vr\u00e1tit dodate\u010dn\u00e9 regresn\u00ed statistiky. Pokud je TRUE, funkce vr\u00e1t\u00ed pole hodnot.<\/li>\n<\/ul>\n
    P\u0159\u00edklady praktick\u00e9ho pou\u017eit\u00ed<\/h2>\n
    1. P\u0159\u00edklad: Predikce r\u016fstu obyvatelstva<\/strong><\/p>\n
    P\u0159edpokl\u00e1dejme, \u017ee m\u00e1me data o po\u010dtu obyvatel za posledn\u00edch 5 let. Chceme modelovat o\u010dek\u00e1van\u00fd r\u016fst v n\u00e1sleduj\u00edc\u00edch letech:<\/p>\n\n\n\n\n\n\n\n
    Rok<\/th>\nPo\u010det obyvatel (v tis\u00edc\u00edch)<\/th>\n<\/tr>\n
    2018<\/td>\n1020<\/td>\n<\/tr>\n
    2019<\/td>\n1050<\/td>\n<\/tr>\n
    2020<\/td>\n1083<\/td>\n<\/tr>\n
    2021<\/td>\n1118<\/td>\n<\/tr>\n
    2022<\/td>\n1154<\/td>\n<\/tr>\n<\/table>\n
     =LOGEST(B2:B6) <\/code> <\/pre>\n
    Tento p\u0159\u00edkaz vr\u00e1t\u00ed parametry (m a b) pro nejlep\u0161\u00ed exponenci\u00e1ln\u00ed k\u0159ivku, kter\u00e1 se vejdou do na\u0161ich dat. Chcete-li predikovat obyvatelstvo pro rok 2023, m\u016f\u017eete pou\u017e\u00edt vr\u00e1cen\u00fd koeficient „m“ a vyn\u00e1sobit p\u0159edchoz\u00ed hodnotu obyvatelstva.<\/p>\n
    2. P\u0159\u00edklad: Anal\u00fdza finan\u010dn\u00edho r\u016fstu investice<\/strong><\/p>\n
    P\u0159edpokl\u00e1dejme, \u017ee chceme analyzovat r\u016fst investice v pr\u016fb\u011bhu 4 let s n\u00e1sleduj\u00edc\u00edmi ro\u010dn\u00edmi v\u00fdnosy:<\/p>\n\n\n\n\n\n\n
    Rok<\/th>\nV\u00fdnosy (v %)<\/th>\n<\/tr>\n
    2019<\/td>\n5<\/td>\n<\/tr>\n
    2020<\/td>\n10<\/td>\n<\/tr>\n
    2021<\/td>\n15<\/td>\n<\/tr>\n
    2022<\/td>\n20<\/td>\n<\/tr>\n<\/table>\n
     =LOGEST(B2:B5) <\/code> <\/pre>\n
    Pomoc\u00ed t\u00e9to funkce obdr\u017e\u00edme parametry exponenci\u00e1ln\u00ed k\u0159ivky, kter\u00e9 n\u00e1m umo\u017en\u00ed odhadnout mo\u017en\u00fd v\u00fdnos v dal\u0161\u00edm roce. V\u00fdsledek m\u016f\u017ee investor\u016fm pomoci rozhodnout, zda investici ponechat, nebo se j\u00ed zbavit v z\u00e1vislosti na o\u010dek\u00e1van\u00e9m r\u016fstu.<\/p>\n
    Funkce LOGEST poskytuje praktick\u00fd n\u00e1stroj pro predikci a anal\u00fdzu trend\u016f zalo\u017een\u00fdch na historick\u00fdch datech a m\u016f\u017ee v\u00e9st k l\u00e9pe informovan\u00fdm rozhodnut\u00edm ve financ\u00edch, marketingu, ekologii a mnoha dal\u0161\u00edch oborech.<\/p>\n","protected":false},"excerpt":{"rendered":"
    Vr\u00e1t\u00ed parametry exponenci\u00e1ln\u00edho trendu<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[287],"tags":[],"class_list":["post-5679","post","type-post","status-publish","format-standard","hentry","category-statisticke"],"acf":[],"yoast_head":"\nFunkce LOGEST (LOGLINREGRESE) v Excelu: jak funguje, primjeri kori\u0161tenja formule<\/title>\n<meta name=\"description\" content=\"Opis funkcije LOGEST (LOGLINREGRESE) u Excelu i Google tablicama. 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